Question: What is the face value of the US coin that is made of copper?
Paraphrase: What is the face value of the copper - made U.S. coin?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q3253199 . ?ent wdt:P3934 ?obj . ?ent wdt:P186 wd:Q753 } ORDER BY DESC(?obj)LIMIT 5